问题
填空题
当n=______时,3x2y5与-2x2y3n-1是同类项.
答案
∵3x2y5与-2x2y3n-1是同类项,
∴3n-1=5,
解得:n=2.
∴当n=2时,3x2y5与-2x2y3n-1是同类项.
当n=______时,3x2y5与-2x2y3n-1是同类项.
∵3x2y5与-2x2y3n-1是同类项,
∴3n-1=5,
解得:n=2.
∴当n=2时,3x2y5与-2x2y3n-1是同类项.